General Surgery Principles Practice Questions

Q: Identify the instrument:

Artery forceps. ***Artery forceps*** - This instrument is characterized by its **ring handles**, **ratchet lock**, and relatively **fine, curved jaws** with serrations, which are typical features of artery forceps (like a Crile or Halsted mosquito forceps). - Artery forceps are primarily used to **clamp blood vessels** to control bleeding or to grasp and hold other tissues firmly. *Towel clip* - Towel clips have **sharp, pointed, inwardly curved jaws** designed to secure surgical drapes to the patient or to each other. - They lack the fine serrations and jaw shape seen in the image, instead having piercing points. *Ovum forceps* - Ovum forceps are designed with **cup-shaped, fenestrated jaws** that are much broader and more delicate than those pictured, used for grasping and removing placental tissue or polyps from the uterus. - The jaws of ovum forceps are typically non-traumatic to minimize damage to uterine tissue. *Kocher forceps* - Kocher forceps are characterized by **strong, serrated jaws** that terminate in **interdigitating teeth** at the tip. - While they have ring handles and a ratchet, their robust design and prominent teeth differentiate them from the finer, curved tips of artery forceps shown.

Q: Identify the image shown:

Rib spreader. ***Correct: Rib spreader*** - The image displays a **rib spreader**, also known as a **Finochietto retractor**, which is specifically designed to separate ribs during thoracic and cardiac surgeries. - Its characteristic design includes wide, curved blades that create and maintain an opening in the chest cavity, and a ratcheted mechanism to keep the ribs apart. *Incorrect: Self-retaining retractor* - While a rib spreader is a type of self-retaining retractor, "self-retaining retractor" is a broader category of instruments used to hold back tissue or organs, and the image shows a very specific type. - General self-retaining retractors, such as **Weitlaner** or **Gelpi retractors**, usually have multiple arms with sharp or dull prongs for retraction in various surgical fields, unlike the broad blades of a rib spreader. *Incorrect: Lister dilator* - A **Lister dilator** is a gynecological instrument used to progressively dilate the uterine cervix. - It consists of a series of smooth, cylindrical rods of increasing diameter, which is distinctly different from the instrument shown in the image. *Incorrect: Male metallic catheter* - A **male metallic catheter** is a rigid, curved tube used for urinary drainage or irrigation in male patients. - It is designed to be inserted into the urethra and bladder, and its structure is completely different from the surgical retractor depicted.

Q: The image shows a catheter. What does inscription 18 on the catheter imply?

Circumference of 18 mm. ***Circumference of 18 mm*** - Catheter sizing uses the **French scale (Fr)**, where **1 Fr = 1/3 mm of outer diameter** - An **18 Fr catheter has an outer diameter of 6 mm** (18 ÷ 3 = 6 mm) - The **circumference = π × diameter = π × 6 mm ≈ 18.85 mm ≈ 18 mm** - While the French scale is defined by diameter, the inscription "18" on the catheter corresponds approximately to its **circumference in millimeters** due to the mathematical relationship where π ≈ 3 *Diameter of 18 mm* - This would be incorrect as 18 Fr indicates a **diameter of 6 mm**, not 18 mm - If the diameter were 18 mm, it would be a 54 Fr catheter (18 mm × 3 Fr/mm) - Such a large catheter would be impractical for most clinical applications *Radius of 18 mm* - A radius of 18 mm would mean a diameter of 36 mm, corresponding to 108 Fr - This is far too large for any standard medical catheter - Catheter sizing does not use radius as a measurement parameter *Surface area of 18 square mm* - Surface area is not used as a sizing parameter for catheters in clinical practice - Catheter size refers to cross-sectional dimensions (diameter/circumference), not surface area - The French scale provides a standardized method for indicating catheter size based on outer diameter

Q: Which of the following statements regarding the given image is false?

Caused by use of local anesthesia. ***Caused by use of local anesthesia*** - The image depicts **wound dehiscence with evisceration**, a serious surgical complication where the wound edges separate, and abdominal contents protrude. - This condition is **not caused by local anesthesia**, which primarily affects nerve conduction to block pain sensation. Local anesthesia has no direct role in wound healing or structural integrity. *Faulty surgical technique* - **Surgical technique** is a major factor in wound dehiscence. Improper closure, excessive tension on suture lines, or inadequate tissue approximation can lead to wound breakdown. - Such **technical errors** compromise the integrity of the surgical repair, increasing the risk of the wound rupturing. *Distension of the abdomen* - **Increased intra-abdominal pressure** due to abdominal distension (e.g., from ileus, ascites, or coughing/vomiting) can place significant stress on the surgical incision. - This **elevated pressure** can cause sutures to pull through tissues or the wound edges to separate, contributing to dehiscence. *Associated with wound infection* - **Wound infection** significantly impairs the healing process by causing inflammation, tissue breakdown, and weakening of the wound edges. - The presence of **infection** increases the risk of dehiscence by delaying collagen synthesis and promoting enzymatic degradation of tissues.

Q: Hernia that is depicted in the image usually occurs at:

Lateral border of the rectus abdominis. ***Lateral border of the rectus abdominis*** - The image depicts a **Spigelian hernia**, which is a rare type of ventral hernia that occurs through the **Spigelian aponeurosis**. - This aponeurosis is located at the **semilunar line**, which is the curved tendinous intersection found at the lateral border of the rectus abdominis muscle. *Medial border of the rectus abdominis* - Hernias at the medial border of the rectus abdominis are typically **umbilical or epigastric hernias**, which present differently and are not depicted here. - These are located closer to the midline, unlike the more lateral protrusion shown. *Medial border of transverse abdominis* - The transverse abdominis muscle generally lies deeper and its medial border is not a common site for a hernia like the one shown. - Hernias in this region would not typically present as a bulge along the semilunar line. *Lateral border of transverse abdominis* - The lateral border of the transverse abdominis is situated more posteriorly and superiorly, often near the flank or lumbar region. - Hernias in this area are typically **lumbar hernias**, which are distinct from the anterior bulge seen in the image.

Q: All of the following conditions are visible in the image except: (Recent NEET Pattern 2016-17)

Left sided femoral hernia. ***Left sided femoral hernia*** - This is the **correct answer** because a left-sided femoral hernia is **NOT visible in the image**. - The image shows bilateral inguinal hernias, with bulges located **above the inguinal ligament**, characteristic of inguinal hernias. - A **femoral hernia** would present as a bulge **below the inguinal ligament**, inferior and lateral to the pubic tubercle, which is **not depicted on the left side**. *Right sided femoral hernia* - This option is also not visible in the image, but since only one answer can be marked correct, the question focuses on the left side. - The prominent right-sided bulge is located **above the inguinal ligament**, characteristic of an **inguinal hernia**, not a femoral hernia. - A femoral hernia would appear in the upper thigh region, which is not shown on the right. *Right sided inguinal hernia* - This condition **IS visible in the image** as a large, prominent bulge in the right groin region. - The bulge is located in the anatomic area of the **inguinal canal**, superior to the inguinal ligament, consistent with a **right-sided inguinal hernia**. *Left sided inguinal hernia* - This condition **IS visible in the image** as a smaller but distinct bulge in the left groin region. - The bulge is in the characteristic location for an **inguinal hernia** above the inguinal ligament on the left side.

Q: A multiparous female presents with the condition shown in the image. This condition can be managed by: (Recent NEET Pattern 2016-17)

McEvedy repair. ***McEvedy repair*** - The image shows a **femoral hernia**, characterized by a bulge below the **inguinal ligament** and lateral to the **pubic tubercle**, commonly seen in multiparous females. The **McEvedy repair** (high approach) is specifically designed for femoral hernias, particularly when **strangulated**, as it allows better assessment of **bowel viability**. - This approach involves an incision extending above the inguinal ligament, providing superior access to the **femoral canal** and allowing for reduction and repair from above, which is ideal for the anatomical location shown. *Bassini repair* - This is a traditional **inguinal hernia repair** method where the **transversus abdominis muscle**, **transversalis fascia**, and **conjoint tendon** are sutured to the inguinal ligament. - It is primarily used for **inguinal hernias**, not femoral hernias, and would not provide adequate access or repair for the condition shown below the inguinal ligament. *Hunters repair* - This term does not correspond to a recognized standard surgical repair technique for hernias and may be a **misnomer** or outdated eponym. - Standard hernia repair names typically refer to specific anatomical repairs like **Shouldice**, **Lichtenstein**, or **McEvedy**, making this option incorrect. *Shouldice repair* - The Shouldice repair is a **tension-based tissue repair** of an **inguinal hernia** that involves **four layers of fascia** being approximated with continuous sutures (not to be confused with the tension-free Lichtenstein mesh repair). - It is specifically designed for **inguinal hernias** and is not suitable for the repair of a **femoral hernia**, which requires a different anatomical approach below the inguinal ligament.

Q: What is the most likely diagnosis based on the clinical image?

Hydrocele. **Hydrocele** - The image shows a **swollen scrotum** that is likely **non-tender** and **transilluminable**, characteristic findings of a hydrocele, which is a collection of fluid around the testis. - The swelling appears smooth and confined to the scrotum, consistent with fluid accumulation within the **tunica vaginalis**. *Direct inguinal hernia* - A direct inguinal hernia typically presents as a bulge in the **inguinal region** that protrudes directly through the posterior wall of the inguinal canal (Hesselbach's triangle). - It usually **does not extend into the scrotum** or cause such a generalized scrotal enlargement as seen here. *Indirect inguinal hernia* - An indirect inguinal hernia protrudes through the **deep inguinal ring** and often descends into the scrotum, alongside the spermatic cord. - Unlike a hydrocele, it is typically **reducible** bulge of bowel or omentum, thus feeling more solid and not transilluminating. *Varicocele* - A varicocele is characterized by a "bag of worms" feeling due to **dilated pampiniform plexus veins** in the scrotum. - It often appears as an irregular, soft mass that is more prominent when standing and typically **does not transilluminate**.

Q: Which hernia repair procedure is shown in the image? (Recent NEET Pattern 2016-17)

Lichtenstein repair. ***Lichtenstein repair*** - The image clearly displays a **mesh patch** being used to reinforce the posterior wall of the inguinal canal, which is the hallmark of a **tension-free Lichtenstein repair**. - This technique is widely considered the **gold standard** for **inguinal hernia repair** due to its low recurrence rates and reduced postoperative pain. *Bassini herniorrhaphy* - **Bassini's repair** is a **tissue-based repair** that involves suturing the conjoined tendon and transversalis fascia to the inguinal ligament. - This method does **not use mesh** and is associated with higher tension and recurrence rates compared to mesh-based repairs. *Shouldice repair* - The **Shouldice repair** is another **tissue-based repair** from Canada, renowned for its strong, multilayered closure of the posterior wall of the inguinal canal. - It involves **four layers of suture repair** of the transversalis fascia and conjoined tendon, without the use of synthetic mesh as seen in the image. *Lord's procedure* - **Lord's procedure** is a historical method for **inguinal hernia repair** that primarily involved placing a small, tightly rolled mesh plug into the internal ring. - It is **not commonly used today** and does not involve the broad, flat mesh placement depicted in the image to reinforce the entire posterior wall.

Q: A 25-year-old male presents with inguinal swelling. He had surgery for acute abdomen 2 years ago but could not tell the reason behind it. Trauma to which structure during the surgery conducted 2 years ago would have resulted in this inguinal swelling?

Ilioinguinal nerve. ***Ilioinguinal nerve*** - Damage to the ilioinguinal nerve during abdominal surgery, especially an appendectomy, can lead to muscle weakness in the anterior abdominal wall. - This weakness predisposes the patient to the formation of an **inguinal hernia**, which manifests as an inguinal swelling. *Spermatic cord* - Trauma to the spermatic cord could lead to **testicular atrophy**, pain, or issues with fertility due to vascular or ductal damage. - It is not directly associated with the development of an inguinal hernia as a primary consequence of isolated trauma during non-hernia repairs. *Genital branch of genitofemoral nerve* - Injury to the genital branch of the genitofemoral nerve primarily affects the **cremasteric reflex** and sensation in the scrotum/inner thigh. - While it can cause sensory disturbances, it does not directly lead to weakness of the abdominal wall sufficient to cause an inguinal hernia. *Pampiniform plexus* - The pampiniform venous plexus is involved in regulating testicular temperature. Injury primarily causes a **hydrocele** or **varicocele** due to impaired venous drainage. - It would not cause an inguinal hernia, which involves protrusion of abdominal contents through a weakened abdominal wall.

Question 1

Identify the instrument:

Accepted Answer

Artery forceps

Answer

Towel clip

Answer

Ovum forceps

Answer

Kocher forceps

Question 2

Identify the image shown:

Accepted Answer

Rib spreader

Answer

Self-retaining retractor

Answer

Lister dilator

Answer

Male metallic catheter

Question 3

The image shows a catheter. What does inscription 18 on the catheter imply?

Accepted Answer

Circumference of 18 mm

Answer

Diameter of 18 mm

Answer

Radius of 18 mm

Answer

Surface area of 18 square mm

Question 4

Which of the following statements regarding the given image is false?

Accepted Answer

Caused by use of local anesthesia

Answer

Faulty surgical technique

Answer

Distension of the abdomen

Answer

Associated with wound infection

Question 5

Hernia that is depicted in the image usually occurs at:

Accepted Answer

Lateral border of the rectus abdominis

Answer

Medial border of the rectus abdominis

Answer

Medial border of transverse abdominis

Answer

Lateral border of transverse abdominis

Question 6

All of the following conditions are visible in the image except: (Recent NEET Pattern 2016-17)

Accepted Answer

Left sided femoral hernia

Answer

Right sided femoral hernia

Answer

Right sided inguinal hernia

Answer

Left sided inguinal hernia

Question 7

A multiparous female presents with the condition shown in the image. This condition can be managed by: (Recent NEET Pattern 2016-17)

Accepted Answer

McEvedy repair

Answer

Bassini repair

Answer

Hunters repair

Answer

Shouldice repair

Question 8

What is the most likely diagnosis based on the clinical image?

Accepted Answer

Hydrocele

Answer

Direct inguinal hernia

Answer

Indirect inguinal hernia

Answer

Varicocele

Question 9

Which hernia repair procedure is shown in the image? (Recent NEET Pattern 2016-17)

Accepted Answer

Lichtenstein repair

Answer

Bassini herniorrhaphy

Answer

Shouldice repair

Answer

Lord's procedure

Question 10

A 25-year-old male presents with inguinal swelling. He had surgery for acute abdomen 2 years ago but could not tell the reason behind it. Trauma to which structure during the surgery conducted 2 years ago would have resulted in this inguinal swelling?

Accepted Answer

Ilioinguinal nerve

Answer

Spermatic cord

Answer

Genital branch of genitofemoral nerve

Answer

Pampiniform plexus

General Surgery Principles — MCQs

General Surgery Principles — MCQs

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